Protective case for an electronic device



FIG. 1 is a front elevation view of the protective case for an electronic device;

FIG. 2 is a right elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines showing portions of the protective case for an electronic device are provided for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a protective case for an electronic device, as shown and described. 